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Publication numberUS1806520 A
Publication typeGrant
Publication dateMay 19, 1931
Filing dateApr 17, 1929
Publication numberUS 1806520 A, US 1806520A, US-A-1806520, US1806520 A, US1806520A
InventorsHenry Cave
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
op hartford
US 1806520 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

May 19, 1931. I t CAVE 1,806,520


My invention relates more particularly to that class of brushes in which the brush projects from one end of the handle,the handle being located at one end and the brush at the l opposite end of the structure, and an object of my invention among others, is the production of a brush of this type so composed and arranged that the outer end of the brush may be formed in an efficient and economical 10 manner.

One form of a brush embodying my invention and in the construction and use of which the objects herein set out, as well as others, may be attained, is illustrated in the accompanying drawings, in which-- Figure l is a side view of a brush embodying my invention.

Figure 2 is a view of a portion of the brush illustrating a preliminary step in its formation.

Figure 3 is a view in section through the tip of the brush.

It has been a common practice in the art of brush making to secure bristles or other brush material to a core composed of twisted wire, the brush material being secured in the operation of twisting the wires. Brushes of this type have been made with a handle from the end of which the brush projected. In the construction of such brushes, in order to form the tip end of the brush so that the brush material will surround the core on all sides, it has been common practice to give to the tip a particular form for this purpose, in many instances the core being bent into various shapes, and in some cases, a separate tip being supplied.

By the use of my invention I am enabled to satisfactorily form this tip without requiring any bending operation on the core to form the tip, the brush material being simply twisted into the core in a manner as heretofore employed and then, either during the twisting operation or thereafter, the brush material is subjected to an operation to forcibly form the tip with such material projecting all around and about the tip. Such a structure is illustrated in the accompanying drawings in which the numeral 3 50 indicates the core of my improved brush that 1929. Serial No. 355,885.

are first twisted into the core in any suitable V manner, such as will be well understood by those skilled in the art. These bristles, while being resilient to a certain degree, are, at the same time, of such character that they may be forced and thereby set to retain different forms when properly treated for such purpose. After the preliminary twisting operation, the bristles will be substantially in the form shown in Figure 2 and, as before stated, their resiliency will cause them to spring back and reassume that form whenever they may have been forced from it under ordinary conditions of use.

In the forming operation the bristles are pressed toward the end of the core under suflicient pressure to cause them to assume and retain the form shown in Figure 1, they having been set in this form. This shaping of the tip may be accomplished after the twisting operation is completed, and while the brush is under rotation in the twisting machine, or after it has been removed from such machine. The result is a rounded tip 6 at the end of the brush with the bristles entirely enveloping the end of the core.

I claim:

1. A brush comprising a twisted wire core, bristles of wire secured to and radially projecting from said core, and a tip having the bristles permanently set to surround, project and bristles of Wire anchored to and projecting from the core, a forward zone of the bristies having a permanent set such that the angularity of projection thereof is varied relative to the bristles in rear of the zone, and With the bristles of the zone varied in angularity relatively such as to cause the zone to present a bristle-face rounded in contour and projecting from the advance end of the core and in continuation of the contour of the bristle-face in the rear of the zone.


Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3451723 *Jul 26, 1967Jun 24, 1969American Tech Mach CoBaby bottle brush with tipped ends
US3720975 *Feb 12, 1971Mar 20, 1973S NelsonToothbrushes
US4691404 *Apr 21, 1986Sep 8, 1987John O. Butler CompanyToothbrush
US5283924 *Mar 11, 1993Feb 8, 1994Gillette Canada, Inc.Interdental foam brush and treatment gel combination therewith
US5418999 *Mar 22, 1994May 30, 1995Preston-Smith Technologies, Inc.Mouse cleaner
US5934292 *Nov 13, 1997Aug 10, 1999L'orealBrush for applying a cosmetic product and make-up device comprising it
US5937870 *Sep 18, 1997Aug 17, 1999L'orealBrush for applying a cosmetic product and make-up device comprising it
US6662810Mar 1, 2002Dec 16, 2003L 'oreal S.A.Applicator for applying a product to keratinous fibers
US7171969Mar 1, 2002Feb 6, 2007L'oreal S.A.Brush and method of making brush
US8082928Apr 23, 2009Dec 27, 2011L'oreal S.A.Brush for applying product to keratinous fibers
US9131768May 9, 2011Sep 15, 2015Sunstar Americas, Inc.Dental hygiene device
US20020124860 *Mar 1, 2002Sep 12, 2002Gueret Jean-Louis H.Brush for applying product to keratinous fibers
US20020139385 *Mar 1, 2002Oct 3, 2002Gueret Jean-Louis H.Brush and method of making brush
US20090199862 *Apr 23, 2009Aug 13, 2009L'oreal S.A.Brush for applying product to keratinous fibers
USRE38230Feb 2, 2001Aug 26, 2003L'orealBrush having plano-convex profile
USRE38397May 31, 2001Jan 27, 2004L'orealBrush for applying a cosmetic product and make-up device comprising it
USRE38755Dec 22, 2000Jul 12, 2005L'orealProgressive brush for applying a cosmetic product
EP1236419A1 *Feb 28, 2002Sep 4, 2002L'orealBrush for applying a product on keratinous fibres
EP1236420A1 *Feb 28, 2002Sep 4, 2002L'orealBrush for applying a product on keratinous fibres
EP1236421A1 *Feb 28, 2002Sep 4, 2002L'orealApplicator, especially brush, for applying a product on keratinous fibres
U.S. Classification15/206, 15/200
International ClassificationA46B3/00, A46B3/18
Cooperative ClassificationA46B3/18
European ClassificationA46B3/18